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Secondary positrons and electrons in near-Earth space in the PAMELA experiment
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2017 (English)In: Bulletin of the Russian Academy of Sciences: Physics, ISSN 1062-8738, Vol. 81, no 2, 203-205 p.Article in journal (Refereed) Published
Abstract [en]

Fluxes of electrons and positrons with energies above ~100 MeV in the near-Earth space are measured with the PAMELA magnetic spectrometer aboard the Resurs DK-1 satellite launched on June 15, 2006, into a quasipolar orbit with an altitude of 350–600 km and an inclination of 70°. Calculating the trajectories of detected electrons and positrons in the magnetosphere of the Earth allows us to determine their origin and isolate particles produced during interaction between cosmic rays and the residual atmosphere. Spatial distributions of albedo, quasitrapped, and trapped (in the radiation belt) positrons and electrons are presented. The ratio of positron and electron fluxes suggests that the fluxes of trapped particles of the radiation belt and quasitrapped secondary particles have different mechanisms of formation.

Place, publisher, year, edition, pages
Allerton Press Incorporation , 2017. Vol. 81, no 2, 203-205 p.
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Physical Sciences
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URN: urn:nbn:se:kth:diva-208428DOI: 10.3103/S1062873817020289ScopusID: 2-s2.0-85014845126OAI: oai:DiVA.org:kth-208428DiVA: diva2:1107355
Note

QC 20170609

Available from: 2017-06-09 Created: 2017-06-09 Last updated: 2017-06-09Bibliographically approved

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